SYD985

Synthon's most advanced pipeline program is SYD985, an ADC targeting a range of HER2-positive cancers such as (metastatic) breast cancer, gastric cancer, bladder (urothelial) cancer and endometrial (uterine) cancer.

About trial SYD985.001

Trial SYD985.001 is a two part first-in-human Phase I study with the anti-HER2 ADC SYD985 to evaluate the safety, pharmacokinetics and efficacy in patients with histologically-confirmed, locally advanced or metastatic tumors. These are patients who have progressed on standard therapy or for whom no standard therapy exists.

During part I (dose escalation), patients with solid tumors of any origin were enrolled (so called 'all comers'). For part II (expanded cohorts), enrollment includes patients with breast or selected non-breast tumors with demonstrated HER2 expression and measurable disease lesions, which are predefined in the protocol. This trial is registered in ClinicalTrials.gov with identifier NCT02277717.

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SYD985 data shared

The encouraging clinical results obtained in the first (dose-escalation) part of the clinical trial with SYD985 were presented at several renowned venues.

Scientific publications

SYD985, a Novel Duocarmycin-Based HER2-Targeting Antibody-Drug Conjugate, Shows Antitumor Activity in Uterine Serous Carcinoma with HER2/Neu Expression (Mol. Cancer Therapeutics, 2016/8)

Design, Synthesis, and Evaluation of Linker-Duocarmycin Payloads: Toward Selection of HER2-Targeting Antibody-Drug Conjugate SYD985 (Mol. Pharmaceutics, 2015/12)

The Preclinical Profile of the Duocarmycin-Based HER2-Targeting ADC SYD985 Predicts for Clinical Benefit in Low HER2-Expressing Breast Cancers (Mol. Cancer Therapeutics 2015/3)

Preclinical Profile of the HER2-Targeting ADC SYD983/SYD985: Introduction of a New Duocarmycin-Based Linker-Drug Platform (Mol. Cancer Therapeutics 2014/11)

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